#!/usr/local/bin/python

#do imports- blah blah
import string, sys

#-----------------------------
# define some shape functions
#-----------------------------

#routine for dealing with circles
def collectCircle():
    circle_diameter = raw_input("Enter the diameter of the circle: ")

    #ask the rest of your questions here

    #once you have all your input for this shape, do your calculations

    #now print out any information for this shape

    return

#routine for dealing with squares
def collectSquare():
    square_size = raw_input("Enter a number for the height and width of the square: ")

    square_area = square_size * square_size
    print "the area of your square is: %d" % square_area

    square_perim = square_size * 4
    print "the perimeter of your square is: %d" % square_perim

    return

#routine for dealing with rectangles
def collectRectangle():
    rectangle_height = raw_input("Enter the height of the rectangle: ")
    rectangle_width = raw_input("Enter the width of the rectangle: ")

    #ask the rest of your questions here

    #once you have all your input for this shape, do your calculations

    #now print out any information for this shape

    return

#------------------------------
# start the main script
#------------------------------

# get the user's shape selection
# the shape selection will be a number
shape_selection = raw_input("Please select a shape: ")

#which shape did we get?
if shape_selection == 1:
    collectCircle()

elif shape_selection == 2:
    collectSquare()

elif shape_selection == 3:
    collectRectangle()

else:
    print "ERROR: Unrecognized shape."